Home / 86,950.26-130,211.55-42,433.47

Finding the Fourth Proportional to 86,950.26, 130,211.55 and 42,433.47

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Solution

The fourth proportional to 86,950.26, 130,211.55 and 42,433.47 is: 63,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,950.26 : 130,211.55 = 42,433.47 : x
  2. Step 2: Convert to fraction form
    86,950.26/130,211.55 = 42,433.47/x
  3. Step 3: Cross multiply
    86,950.26x = 130,211.55 × 42,433.47
  4. Step 4: Simplify right side
    86,950.26x = 5,525,327,900.58
  5. Step 5: Solve for x
    x = 5,525,327,900.58/86,950.26
  6. Step 6: Final answer
    x = 63,545.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.